Design: Supple, luxe and waterproof full-grain leather upper Waterproof, seam-sealed and gusseted construction keeps your feet dry and comfortable Wide, ribbon-style maxi lace In-Shoe Comfort: ThermoBall™ Eco 100% recycled polyester insulation helps keep feet warm even when wet Die-cut EVA footbed made with up to 30% recycled content Highly cushioned super-foam EVA midsole for comfort Durability & Traction: Surface CTRL™ rubber outsole is optimized for winter conditions and is made with 10% natural rubber Additional Details: Environmentally preferred premium leather from LWG-certified tannery Approx Weight (½ pair): 14.82 oz (420 g)